Finding the Third Proportional to 451,642.50 and 993,111.75

Step by Step Solution

1. Step 1: Write the proportion equation
   451,642.50 : 993,111.75 = 993,111.75 : x
2. Step 2: Convert to fraction form
   451,642.50/993,111.75 = 993,111.75/x
3. Step 3: Cross multiply
   451,642.50x = 993,111.75 × 993,111.75
4. Step 4: Simplify right side
   451,642.50x = 986,270,947,988.06
5. Step 5: Solve for x
   x = 986,270,947,988.06/451,642.50
6. Step 6: Final answer
   x = 2,183,742.56